Finding the Fourth Proportional to 1,430.44, 1,974.23 and 933.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,430.44 : 1,974.23 = 933.82 : x
2. Step 2: Convert to fraction form
   1,430.44/1,974.23 = 933.82/x
3. Step 3: Cross multiply
   1,430.44x = 1,974.23 × 933.82
4. Step 4: Simplify right side
   1,430.44x = 1,843,575.46
5. Step 5: Solve for x
   x = 1,843,575.46/1,430.44
6. Step 6: Final answer
   x = 1,288.82